6
Common metals and their alloys; Metal building materials; Transportable buildings of metal; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Ironmongery of metal, non-electric; Metal hardware; Pipes and tubes of metal; Safes; Metal building materials; Packaging containers of metal; Reinforcing materials of metal for pipes; Reinforcing materials of metal for building; Rings of metal; Metal building materials; Framework of metal for building; Hinges of metal; Frameworks of metal; Boxes, chests and containers of metal; Tanks of metal, Silos of metal; Ores
17
Rubber, gutta-percha, gum, asbestos, mica; Plastics in extruded form for use in manufacture; Packing, stopping and insulating materials, seals and insulation; Flexible pipes, not of metal; Goods made of rubber, gutta-percha or gum, namely threads (not for textile use), insulating gloves, washers, shock-absorbing buffers, rings, junctions for flexible pipes and tubes, packing and stuffing materials; Plastics in extruded form for use in manufacture; Insulators; Lute (included in class 17); Plastic film other than for wrapping; Reinforcing materials, not of metal, for pipes; Sound proofing materials
19
Building materials (non-metallic); Bricks; Non-metallic rigid pipes for building; Asphalt, pitch and bitumen; Non-metallic transportable buildings; Silos, not of metal; Monuments, not of metal, Windows and doors, Not of metal; Profiles for windows and doors, not of metal; Battens for glass, not of metal; Non-metallic transportable buildings; Letter boxes of masonry; Safety glass; Drain pipes, not of metal; Shutters, not of metal; Non-metal window frames; Window glass, for building; Refractory materials; Felt for building; Cornices not of metal and mouldings, not of metal, for cornices; Latticework, not of metal; Building glass; Wood (included in class 19); Veneers; Jalousies, not of metal; Roller blinds, not of metal